micro- bact. Flashcards
____ is the rat flea that carries yersinia pestis
xenopsylla cheopis
is a clepto that causes black plagque
____ bact. is carried by Rabbits
francisella tularensis
food bact.: times of s/s
_____& _____: 12-24 hr after
_____: 1-7 days after
_____: 2-4 hrs
12-24 hrs: clostridium botulinum & salmonella entrides
1-7 days: C. jejuni (camping the past week)
2-4 hours: Staph aureus ( upset tummy after)
____ bact: s/s rose colored spots on abdomen. hides in the GB and peyers patches in ileum
Salmonella typhi
widels test
Clostridium botulinum:
physio: ____
Food:___
prevents AcH release (floppy baby sx)
1st sx: diplopia 2nd: death
Food: home canning
MCC of gastritis caused by bact. , #1 cause of diarrhea, #1 food poisening
C. jejuni
bl. and pus in stool
___ bact. caused by deli meats and soft cheese
listeria monocytogenes
____ bact.: food poisening caused by creams and custards
staph areus
2-4 hrs
___ bact: food poisening caused by eggs and poultry
salmonella entrides
bangs dz: _____
brucella abortus
spontaneous abortions in cattle
Comma shaped, rice water stools = ____ bact.
vibrio cholera
from contaminated water
Shigella is ___ & ___ born
*water and *soil born
___ bact= montezuma’s revenge
E. coli (enterotoxigenic form)
e. coli OH157= hamburger’s dz, hemorrhagic diarrhea
______= woolsorter’s dz
anthrax
bact: bacillus anthracis –> inhaled spores
physio of clostridium tetani
lackjaw aka trimus
inhibits GABA and Glycine ( blocks inhibitory NT)
name 4 soil borne bact
- bacillus anthracis
- clostridium tetani
- shigella (and water)
- clostridium perfingins
Name 4 water borne bact.
- brucella abortus
- vibrio cholera
- shigella (and soil)
- E. coli
2 bact that affect otitis media
- haemophilis influenza
2. strep pneumoniae
2 bact. that affect otitis externa
- E coli
2. Pseudomonas aeruginosa
Name the 5 spirochete bact organisms
- Leptospira interrogans
- Borrelia burgdorferi
- Borrelia recurrentis
- Treponema pallidum
- Treponema pertenue
Vector of borrelia burdgorferi?
Dz name?
vector: deer tick (aka lxodes scapularis)
dz: lyme dz
(bull’s eye rash)
bull’s eye rash?: dz?
lyme dz
_______: characterized by a relapsing fever. Caused by ticks, lice, rabbits
borrelia recurrentis
______(dz): gummas, argyll robertson pupil, tabes dorsalis
organism: _____
syphilis
organism: treponema pallidum
treponema pallidum= ______ dz
syphilis
________(dz)= non-venereal syphilis, fom casual contact
organism:____
dz: yaws
organism: treponema pertenue
how do bact. replicate?
binary fission- asexual reproduction
B hemolytic strep has the enzyme ____ to dissolve clots that the bd uses to wall off organisms from spreading
streptokinase
staph used the enzyme _____ to break down fibrinogen into fibrin
coagulase
2 bact’s that use leukocidin to kill WBC’s
staph and strep
staph uses enzyme _____ to break down RBC
hemolysin
3 bacterias that use hyaluronidase to break down hyaluronic acid
staph
strep
clostridia
bacteria that best grow in these temps:
_____: 15 C or lower
_____: 25-40C (37C = human temp)
_____: 45C+
Psychrophilic : 15 C or lower
mesophilic: 25-40C (37C = human temp)
Thermophilic: 45C+
(psycho to be cold, meso= medium, thermo= hot)
MC cause of meningitis by age group:
(2) Newborns
(2) infants
(1) adults
newborns:
1. E. coli
2. Listeria (milk)
infants:
1. strep pneumoniae
2. Neisseria meningitides (only one with a rash)
Adults:
1. Strep pneumonia
Only cause of meningitis with a rash
Neisseria Meningitides
infants- older children
Which bacteria can not be stained due to mycolic acid on the membrane?
mycobacterium tuberculosis
myco = mycolic
